Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B7/00—Radio transmission systems, i.e. using radiation field
  • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
  • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B7/00—Radio transmission systems, i.e. using radiation field
  • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
  • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
  • H04B7/2621—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using frequency division multiple access [FDMA]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
  • H04M1/725—Cordless telephones
  • H04M1/72502—Cordless telephones with one base station connected to a single line
  • H04M1/72505—Radio link set-up procedures
  • H04M1/72508—Radio link set-up procedures using a control channel

Definitions

• the present invention relates to a multi-channel access-type integrated communication device that detects and detects an empty wireless channel of a plurality of wireless channels and transmits and receives data.
• the details of the control method are as follows.
• FIG. 3 is a block diagram showing a configuration according to this type of wireless communication device.
• the parent device ⁇ is connected to the radio telephone 2, which is a wireless terminal device, via a radio line, and is also connected to im. .
• the signal transmitted from the wired telephone line 3 becomes a modulation input of the transmission line 2 via the line relay-0 bridge circuit 11.
• the radio wave modulated by the transmission signal H 2 is transmitted to the radio telephone 2 via the antenna duplexer 13 via the antenna 14.
• the transmitted wave is an antenna
• the signal is received at 14 and demodulated by the receiver 15 via the antenna shared 13.
• the doubled fg ⁇ 3 ⁇ 4 is sent out to the arbor in the ⁇ literallyi line 3 via the noble circuit 1.
• Synthesizer 6 is a non-integrated channel, that is, a call Transmits a signal of fc frequency according to the channel control channel.
• Reception surprise 5 also has the ability to adjust the data signals included in the reception observations, ie, the identification signals that are used in combination with the device E1 and the ⁇ 2 handset. Then, the speedy different signal (ID code) is input to the control unit 7.
• the control ⁇ 7 controls the wireless channel switching, and the transmission data is transmitted to the transmission ⁇ 12 by modulation input. Control such as sending is performed.
• the call signal detection circuit 18 detects a ⁇ 6 ⁇ call signal from the telephone line 3. Hey, it's a 2nd talker! ! Another signal is kept quiet.
• the antenna 20, the receiver 21, the antenna shared 22, the transmitter 23, and the synthesizer 24 are also provided on the wireless speaker 2.
• S2 U1 of the receiving chick 2 1 is received by the receiving S S! 2 G.
• the voice input from the transmission line 25 becomes a transmission of the transmission H 2 3
• Fan: r is sent to fan 20 via common channel 22.
• Synthesizer 24 R 0! V! 2 ⁇ is the same as that in parent E 1, but control m 27 is not used. S ⁇ 2 performs the entire ilt! I. Speaker 2 ⁇ gives the start of 3 ⁇ 4?
• the output frequency of the synthesizer 6 is set to the ⁇ control channel ⁇ wave number, the reception is turned on, and the m channel ⁇ G-c H) is received, and if there is no reception, the control channel is determined to be empty, and the transmitter ⁇ 2 transmits the ⁇ signal. (Steps 31 and 32). This car,
• the communication signal includes the communication channel (S--CH) designation signal.
• the radio receiver 2 uses the synthesizer 2A as a power source in the standby mode, sets its oscillation frequency to the control channel wave number, and sets the reception frequency to 2 GHz. If the incoming signal is received by the control channel (step 50), it is included in the signal. With the D mode and the II set to R 0 ⁇ 26: ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I Step 51), and cut to the specified S channel (S-C ⁇ ) (Step 52). Here, if 3 ⁇ 4 s £ is not received, ⁇ ⁇ 21 is also ii
• 3 ⁇ 4 ⁇ is the story of ⁇ from the story is 2 ⁇ 3: ⁇ ⁇ 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 3: 7 7 7 7 Wrap G;:, 3 A ':-, 3 ⁇ 4 L, send m, f. Fh .. ::::; .. 3 ⁇ 4 ⁇ Compare the code with the ID code written in R 0 iVl ⁇ 9 and check the! If the D code matches, the mode switches to the S-CH specified
• the wireless M talker 2. switches the call channel from the parent device 1 to the specified channel, but the switched channel is already in use. To! Pull (step 53). However, if it is not used, the channel switching completion message is sent to the parent device 1 (step 55).
• Keisaku will be as follows.
• the control unit 27 turns off the switch 72 9
• the oscillation frequency of the synthesizer 24 is locked to the control channel, and the receiving signal is locked.
• the control IP channel is determined to be empty, and the final call signal including the ID code assigned to itself is transmitted with the transmission layer 23 turned on.
• the parent who has obtained this 1D code has an ID code that is assigned to the combination of the 1D code and the telephone 2 in combination with the m code. ⁇ Judge whether or not If there is a match, send ⁇ '2 to ON, and respond to the silent talk ⁇ 2 with the response information (I ") 2'code'., S-CH ⁇ information. ).
• the parent device 1 and the telephone 2 are connected by a call channel on which the parent device is set up, and a subsequent dial key (not shown) is used.] 3 ⁇ 4 ⁇ fc dial operation It is possible to make a phone call by giving a shadow.
• one unit is set to correspond to ⁇ ( ⁇ 2) non-relaxation, and if calls from a telephone call are ⁇ units It is possible to generate a ringing tone not only from the non-talking voice but also from all the voices, thereby improving the response probability of closing to 0 ?.
• This platform will send an incoming call including a call channel rejection signal to all wireless e-machines, and will generate a ringing tone for every ⁇ ⁇ ⁇ m.
• the radio channel shown in Fig. 4 must be used.
• the communication channel is specified by m.
• m f is in the in o3 ⁇ 4 with ⁇ ⁇ s ⁇ -: 3 ⁇ 4 ⁇
• the parent device E sends the signal from the n wireless devices. You must wait for the bell to be sent before the channel disconnection ⁇ sign is sent. As a result, the timing of the call to the anonymous ilfSS i 3 ⁇ 4 is delayed, and the response to the use ⁇ is 1: 1, so the ⁇ -J problem occurs. '
• a short-term sound generator that simultaneously emits ringing sounds from a plurality of wireless terminals equipped with no wireless terminal E to a place where ringing sounds are generated.
• the master device does not need to wait for the transmission of the first signal until all channel switching completion signals are received from a plurality of wireless terminals.
• R? Out from multiple terminals ⁇ ⁇ g: turn 3 ⁇ 4 ⁇ into ⁇ ⁇ m becomes w w ⁇ ⁇
• FIG. 2 is a chart showing Keisaku Kusino's defeat.
• Fig. 4 shows the ⁇ call Keisaku of the subordinate device ⁇ in Fig. 3.
• FIG. 1 is a block diagram showing one embodiment of the present invention, in which two radios are connected to one master device; a radio device S at the end device. , 2 'are providedappelTwo wireless phones ⁇ 2, 2' have the same configuration enclosed by the broken line, but the ID code is recorded.
• R0M since the ID code assigned to each wireless phone 'phone 2, 2' is stored, R0M26, R 0 M 26 ⁇ 'are shown separately.
• the ROMs in the parent device are also shown as 19 and 19 '.
• this flowchart is referred to as a flotation.
• the incoming signal will be sent if the control channel is empty and free, as before. ⁇ This means that during the t_itf signal, the call channel's fixed signal and radio
• the D code is included, but in this case, only the ID code is transmitted, and the response is sent from wireless ⁇ 2 and 2 '! 1
• the return timing of the winding response signal is
• the channel in set ⁇ includes a channel code indicating the assigned communication channel and a channel ⁇ for returning the channel completion signal.
• ⁇ D code g ⁇ that identifies the representative radios in the number of unwired devices.
• the radio 'talker 2.2' monitors the arrival of this channel measurement signal for time T3 (steps 6 and 6 2). If so, the call channel is switched to the specified channel (step 52), and the empty state of the specified channel is checked (step 53). 5 If it is not empty, you will be able to receive it. If it is not empty, please use the ID code in the channel number.
• step 54 If it is determined that it is a non-rogue story (step 54),-only the representative two-channel machine sends a channel cut ⁇ ⁇ end f ⁇ 3 f ⁇ RU (Step b; b, then ⁇ ⁇ ⁇ ⁇ IS IS IS) If the parent device 1 'receives the channel disconnection S ⁇ end signal from the machine 1 ⁇ ⁇ (step 36, 3 7), a bell signal is transmitted (step 38), and a ringing tone is generated from the two wireless 10 talkers 2.2 ′ in 1 mm.
• the parent ⁇ is a representative non- ⁇ Ru select a story machine based on f
• the wireless device has been described as an example.
• fii can be applied to a wireless device without a wireless terminal, such as data transmission.
• the signal for ringing sound was sent from the parent device E at the ft where the channel switching completion signal was transmitted from the master device E. There is no need to wait for a channel switch, and all wireless terminals that respond to the signal will be short-lived. ! It is possible to generate the ⁇ 3 ⁇ 4 around.

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• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Mobile Radio Communication Systems (AREA)
• Time-Division Multiplex Systems (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

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ID=12385402

Family Applications (1)

Country Status (6)

Families Citing this family (7)

Citations (1)

Family Cites Families (9)

• 1988
  • 1988-02-16 JP JP63033395A patent/JP2642380B2/ja not_active Expired - Fee Related
• 1989
  • 1989-02-15 DE DE68927084T patent/DE68927084T2/de not_active Expired - Fee Related
  • 1989-02-15 KR KR1019890701902A patent/KR930003725B1/ko not_active IP Right Cessation
  • 1989-02-15 EP EP89902533A patent/EP0363492B1/de not_active Expired - Lifetime
  • 1989-02-15 US US07/442,364 patent/US5136629A/en not_active Expired - Lifetime
  • 1989-02-15 WO PCT/JP1989/000153 patent/WO1989007867A1/ja active IP Right Grant

Patent Citations (1)

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